Mammalian target of rapamycin inhibitors in sarcomas

Research output: Contribution to journalReview articlepeer-review

36 Scopus citations


PURPOSE OF REVIEW: Sarcomas are a rare malignancy accounting for less than 1% of all cancers diagnosed annually. Standard chemotherapy has a response rate of around 25% and newer agents are needed to improve the outcome in patients with advanced sarcomas. The mammalian target of rapamycin plays a central role in cell growth, proliferation, and apoptosis and its inhibition has demonstrated antitumor activity in many tumors and shows promise against sarcomas. RECENT FINDINGS: Recent studies of mammalian target of rapamycin inhibitors in sarcomas have demonstrated clinical benefit response in sarcomas. SUMMARY: Clinical benefit response uses standard Response Evaluation Criteria in Solid Tumors of complete response and partial response as well as stable disease lasting at least 4 months as an endpoint. This endpoint has been shown to select promising new agents against sarcomas. Using this endpoint, the use of the mammalian target of rapamycin inhibitor AP23573 has demonstrated activity against sarcomas. The use of the inhibitor RAD001 (everolimus) along with imatinib in patients with imatinib resistant gastrointestinal stromal tumor has shown promise. Future studies will need to be performed to determine the clinical differences among the mammalian target of rapamycin inhibitors in different subsets of sarcomas.

Original languageEnglish (US)
Pages (from-to)360-362
Number of pages3
JournalCurrent Opinion in Oncology
Issue number4
StatePublished - Jul 1 2006


  • AP23573
  • CCI-779
  • Clinical response benefit
  • RAD001
  • Sarcoma
  • mTOR

ASJC Scopus subject areas

  • Oncology
  • Cancer Research


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